EP1498636A2 - Dispositif de bloquage d'une suspension - Google Patents

Dispositif de bloquage d'une suspension Download PDF

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Publication number
EP1498636A2
EP1498636A2 EP04011642A EP04011642A EP1498636A2 EP 1498636 A2 EP1498636 A2 EP 1498636A2 EP 04011642 A EP04011642 A EP 04011642A EP 04011642 A EP04011642 A EP 04011642A EP 1498636 A2 EP1498636 A2 EP 1498636A2
Authority
EP
European Patent Office
Prior art keywords
piston rod
spacer element
spacer
spring
insertion opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04011642A
Other languages
German (de)
English (en)
Other versions
EP1498636B1 (fr
EP1498636A3 (fr
Inventor
Achim Schulz
Günter Poetsch
Georg Von Tardy-Tuch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Priority to PL04011642T priority Critical patent/PL1498636T3/pl
Publication of EP1498636A2 publication Critical patent/EP1498636A2/fr
Publication of EP1498636A3 publication Critical patent/EP1498636A3/fr
Application granted granted Critical
Publication of EP1498636B1 publication Critical patent/EP1498636B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/58—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/45—Stops limiting travel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/45—Stops limiting travel
    • B60G2204/4502—Stops limiting travel using resilient buffer
    • B60G2204/45021—Stops limiting travel using resilient buffer for limiting upper mount movement of a McPherson strut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/46—Means for locking the suspension
    • B60G2204/4604—Means for locking the suspension mechanically, e.g. using a hook as anticreep mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/90—Maintenance
    • B60G2206/92—Tools or equipment used for assembling

Definitions

  • the invention relates to a device for locking a suspension in particular one Motor vehicle according to the preamble of claim 1.
  • From DE 28 22 105 A1 has an influence on the spring travel of a coil spring of a shock absorber known for a motor vehicle on spacers. These are held on a plate over screws and are each clamped between spring coils.
  • DE 197 51 215 C1 shows a device for locking a spring in a spring strut, at a Spacer element is provided for transporting a vehicle.
  • the spacer consists of at least one segment of a hard-elastic plastic material that can be clipped into the spring, which is in contact with its lower free end is supported on a spring plate of the shock absorber.
  • the clipping of the Spacer element in the turns of the spring takes place in such a way that one on the spacer element provided upper receptacle serves as threading receptacle and the spacer element to this storage the spring plate of the shock absorber is pivoted.
  • the object of the invention is to provide a device with the travel of a Wheel suspension of a motor vehicle for transport in a simple manner can be reduced.
  • the spacer element consists of a body which on the Piston rod of a spring or shock absorber leg removable between an additional spring and a second End stop is held.
  • the spacer may also be composed of several bodies, for example, to realize different lengths.
  • Such a spacer is opposite to the known devices cheaper to produce.
  • a special advantage is that it does not matter anymore the spring acts and thus the winding distance of the spring, which is characterized by tolerances or constructive Changes can change, is independent.
  • the spacer element has, in addition to the central receiving opening for the piston rod, a slot-shaped Insertion opening, extending from the central receiving opening to the outer surface of the spacer element extends and whose width is chosen slightly smaller than the diameter of the piston rod.
  • the preferably one-piece running spacer can through the insertion on the piston rod be slid there, when the piston rod comes to lie in the receiving opening.
  • the spacer element of two mutually hinged and locked held Execute segments so that the spacer element in the open state of the segments on the Piston rod applied and then can be closed.
  • the insertion opening is not here required.
  • the spacer element by other means known per se can be pushed and removed on the piston rod.
  • one or two bevels may further be provided at the end of the spacer element be. These bevels are in the region of the insertion opening or opposite the insertion opening provide and facilitate the sliding of the spacer element on the piston rod. To the hereby necessary forces can be reduced by the bevels the spacer element between the auxiliary spring and a second end stop tilted and thus be set at an angle.
  • the spacer element is preferably made of a hard elastic plastic. Such materials are corrosion resistant, durable and moreover they allow by their elastic property, for Clip the spacer to create a biasing force. Because the sizing of the Distance element is made mainly with regard to the forces to be supported in the longitudinal direction, it may be advantageous if, compared to the insertion opening, a reduction in cross-section, For example, in the form of a slot, is provided to the spreading of the spacer element during the pushing on the piston rod necessary forces to a tolerable level to reduce.
  • Distance element for example, made of paper, hard-pressed paper or another rotting or recyclable material, if a return of the spacer element after transport of the vehicle does not make sense. If such a non-elastic material is used appropriate measures are taken to hold the spacer element. For example, at one of two mutually hinged and lockable segments existing spacer element the locking of the segments can be achieved in a simple manner by an adhesive tape.
  • the length of the spacer element is preferably selected so that when fully extended damper the outer length of the spacer element of the exposed length of the piston rod between additional spring and second end stop corresponds.
  • spacers are used for example in new vehicles to damage during transport on the floor group, z. B. during loading and unloading and especially when driving on loading ramps, to avoid. They can only be used on the front axle or on both axles. In this way a vehicle can be brought into a raised position and held there. To expand the Spacers will lift the vehicle until the wheels are free. The wheels do not have to be dismantled become. The spacer element is pushed away from the piston rod via the slot-shaped insertion opening. In a strut, the spacer is then recountfädeln still out of the spring.
  • the present invention has the particular advantage that the spacer element Additional spring is involved in blocking the suspension.
  • additional springs are regularly as a stop in the case of maximum shortening of the damper element, as in the full suspension suspension occurs.
  • Additional spring and end stop are therefore Already designed to be able to absorb large forces. They are therefore blocking the Suspension particularly suitable because in this case by the strong reduction or even Preventing a jounce quickly large forces occur.
  • Fig. 1 shows a strut 1, the component of a suspension not shown in detail Motor vehicle is.
  • the strut 1 consists of a damper cylinder 2 and a piston rod 3.
  • the piston rod is connected to a body 5.
  • a suspension spring 6 of Suspension strut 1 extends around the piston rod 3.
  • an additional spring 7 is arranged, which at maximum shortening of the shock absorber 1 between two end stops is effective, of which the first end stop 8 through the top of the Damper cylinder and the second end stop 9 is formed by the underside of the support bearing 4.
  • the Additional spring 7 is designed in the present case as a foam element.
  • a spacer element 10, designed here as a slotted plastic sleeve, at the Piston rod 3 are clipped.
  • the spacer 10 fills the free length I between the free end the auxiliary spring 7 and the second end stop 9 substantially completely and provides for this Way for the additional spring 7 is effective for each spring deflection of the strut 1.
  • the Einfederin of the shock absorber 1 and thus the compression possibility of the suspension are thus on the Limited by the additional spring 7 predetermined free path.
  • the spacer element 10 consists of a Base body 11, which has a central and continuous receiving opening 12 for the piston rod 3.
  • the receiving opening 12 has substantially the same diameter 19 as the piston rod 3, so that the spacer 10 is held there easily movable.
  • a slot-shaped insertion opening 13 extends from the receiving opening 12 to the outside of the Distance element 10, wherein the width b of the insertion opening 13 is slightly smaller than the diameter of the Piston rod 3 is.
  • the spacer 10 is made of glass fiber reinforced polyamide, a hard elastic plastic.
  • the spacer element 10 In the dimensioning of the spacer element 10 are mainly acting in the longitudinal direction L forces to be considered between the auxiliary spring 3 and the end stop 9. Opposite the Insertion opening 13 are therefore a flattening 14 and a notch 15 attached, the total opposite the insertion opening 13 a significantly reduced cross section of the Deformationsiatas 10 effect.
  • the deformation element in two legs 16, 17 split, which are connected by an elastic hinge 18 pivotally connected to each other.
  • the spacer element 10 on the piston rod 3 can thus the legs 16, 17th swing apart and allow in this way the passage of the piston rod 3 through the Insertion opening 13.
  • the pivot Leg 16, 17 through the elastic hinge 18 back to its original position, so that in total the spacer 10 is clipped onto the piston rod 3.
  • the chamfer 19 shown in Fig. 3 allows tilting of the spacer element 10 when pushed on the piston rod 3.
  • the chamfer 19 shown in Fig. 1 allows tilting of the spacer element 10 when pushed on the piston rod 3.
  • FIG. 5 an alternative, hinged version of the spacer 10 is shown.
  • the Distance element consists of two segments 20, 21, which are interconnected via a film hinge are.
  • a detent 23 in the second segment 21 and a corresponding receiving opening in the first Segment 20 provide for the locking of Segente 20, 21 in the closed state.
  • outside arranged recesses 26 form a point of attack for opening the closed Distance element 10, for example by means of a screwdriver, not shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Centrifugal Separators (AREA)
  • Discharge Heating (AREA)
EP04011642A 2003-07-18 2004-05-17 Dispositif de bloquage d'une suspension Expired - Lifetime EP1498636B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04011642T PL1498636T3 (pl) 2003-07-18 2004-05-17 Urządzenie do blokowania zawieszenia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10334034 2003-07-18
DE10334034A DE10334034B3 (de) 2003-07-18 2003-07-18 Vorrichtung zum Blockieren einer Radaufhängung

Publications (3)

Publication Number Publication Date
EP1498636A2 true EP1498636A2 (fr) 2005-01-19
EP1498636A3 EP1498636A3 (fr) 2005-06-08
EP1498636B1 EP1498636B1 (fr) 2006-11-22

Family

ID=32946482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04011642A Expired - Lifetime EP1498636B1 (fr) 2003-07-18 2004-05-17 Dispositif de bloquage d'une suspension

Country Status (5)

Country Link
EP (1) EP1498636B1 (fr)
AT (1) ATE346253T1 (fr)
DE (2) DE10334034B3 (fr)
ES (1) ES2273120T3 (fr)
PL (1) PL1498636T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1859971A1 (fr) * 2006-05-24 2007-11-28 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Dispositif de blocage d'une jambe de suspension d'un véhicule automobile
GB2478630A (en) * 2010-03-09 2011-09-14 Porsche Ag Inastallation aid for installing a blocking element on a suspension strut
WO2021013947A1 (fr) * 2019-07-24 2021-01-28 Fkt Koltuk Sistemleri Üretim Ve Dagitim Sanayi Ve Ticaret Anonim Sirketi Clip de réglage d'angle d'inclinaison de dossier

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006053298B4 (de) * 2006-11-13 2009-10-15 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zum Blockieren einer Radaufhängung eines Fahrzeugs
US8498773B2 (en) 2010-05-20 2013-07-30 GM Global Technology Operations LLC Stability enhancing system and method for enhancing the stability of a vehicle
ITMO20110102A1 (it) * 2011-05-06 2012-11-07 Go Vo Ni Srl Dispositivo di montaggio per ammortizzatori, particolarmente per ammortizzatori a gas
DE102011101351A1 (de) 2011-05-12 2012-11-15 Audi Ag Blockiervorrichtung für eine Radaufhängung eines Kraftfahrzeugs
DE102020113706B3 (de) * 2020-05-20 2021-04-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Montagehilfe und Verfahren zur Montage und Demontage von Blockierelementen an einem Federbein
DE102023207113A1 (de) * 2023-07-26 2025-01-30 Zf Friedrichshafen Ag Modularer Abrollkolben, Wechselsatz für den Abrollkolben sowie Luftfeder mit dem Abrollkolben

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822105A1 (de) 1978-05-20 1979-11-22 Bayerische Motoren Werke Ag Vorrichtung zum beeinflussen des federwegs und der federkennlinie einer federnden radaufhaengung von fahrzeugen
DE19751215C1 (de) 1997-11-19 1998-12-10 Porsche Ag Vorrichtung zum Blockieren einer Feder in einem Federbein

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1301787B1 (it) * 1998-06-23 2000-07-07 Cagiva Motor Dispositivo antisollevamento di una forcella anteriore di unamotocicletta

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822105A1 (de) 1978-05-20 1979-11-22 Bayerische Motoren Werke Ag Vorrichtung zum beeinflussen des federwegs und der federkennlinie einer federnden radaufhaengung von fahrzeugen
DE19751215C1 (de) 1997-11-19 1998-12-10 Porsche Ag Vorrichtung zum Blockieren einer Feder in einem Federbein

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1859971A1 (fr) * 2006-05-24 2007-11-28 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Dispositif de blocage d'une jambe de suspension d'un véhicule automobile
US7419147B2 (en) 2006-05-24 2008-09-02 Dr. Ing. H.C. F. Porsche Ag Device for blocking a suspension strut of a motor vehicle
GB2478630A (en) * 2010-03-09 2011-09-14 Porsche Ag Inastallation aid for installing a blocking element on a suspension strut
GB2478630B (en) * 2010-03-09 2012-07-04 Porsche Ag Installation aid
US8590127B2 (en) 2010-03-09 2013-11-26 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Installation aid
WO2021013947A1 (fr) * 2019-07-24 2021-01-28 Fkt Koltuk Sistemleri Üretim Ve Dagitim Sanayi Ve Ticaret Anonim Sirketi Clip de réglage d'angle d'inclinaison de dossier

Also Published As

Publication number Publication date
EP1498636B1 (fr) 2006-11-22
ATE346253T1 (de) 2006-12-15
EP1498636A3 (fr) 2005-06-08
ES2273120T3 (es) 2007-05-01
DE10334034B3 (de) 2004-10-07
DE502004002055D1 (de) 2007-01-04
PL1498636T3 (pl) 2007-01-31

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